Address space
AS18124 OUS-NET Okayama University of Science
IPv4 prefixes
6
65.54K addresses
IPv6 prefixes
1
Most common size
/21
IPv4
Flagged
0
Shape
Prefix sizes
How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.
Shape
Prefix sizes
Geography
Where the space lands
| Country | Name | Prefixes |
|---|---|---|
| JP | Japan | 7 |
Inventory
All prefixes
| Prefix | Family | Addresses | Country | Flags |
|---|---|---|---|---|
| 150.55.0.0/17 | IPv4 | 32,768 | JP | |
| 150.55.128.0/21 | IPv4 | 2,048 | JP | |
| 150.55.136.0/21 | IPv4 | 2,048 | JP | |
| 150.55.144.0/20 | IPv4 | 4,096 | JP | |
| 150.55.160.0/19 | IPv4 | 8,192 | JP | |
| 150.55.192.0/18 | IPv4 | 16,384 | JP | |
| 2001:df0:3d80::/48 | IPv6 | — | JP |